One CPU ally vs. two human opponents Enter Down, Down, Right, Right, Down as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

Very little traction Enter Down, Triangle, Down, L1, R1 as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

All weapon pick-ups are power missiles Enter Down, Down, Circle, L1, Left as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

All weapon pick-ups are homing missiles Enter R1, Right, Left, R1, Up as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

All weapon pick-ups are napalms Enter Right, Left, R1, Right, Circle as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

All weapon pick-ups are remote bombs Enter Up, Right, Down, L1, Triangle as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

No health and weapon pick-ups Enter Circle, Start, Left, L1, Start as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

No health pick-ups in deathmatch mode Enter Triangle, Down, Triangle, Circle, Triangle as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

No health pick-ups in tournament and deathmatch modes Enter Down, R1, Down, Start, Circle as a password. If you entered the code correctly, you will hear laughing. -From: PinheadGun@aol.com

Play as Bosses Successfully complete the game once with any character. After Sweet Tooth is defeated, save the game and watch your character's ending sequence. Then all of the Bosses, including Crusher, Moon Buggy, Super Thumper, RC Car, Super Axel, Super Slamm, Super Auger, Minion, and Sweet Tooth will be unlocked.

Bonus deathmatch levels Successfully complete any tournament mode level, then save the game to unlock a deathmatch mode level. Each completed tournament level will unlock a new deathmatch level. -From: PinheadGun@aol.com

Play your own music Start a game in tournament or deathmatch mode. Pause the game, open the PlayStation lid, and replace the game disc with an audio CD. When the game resumes, the music from the CD will begin playing. Note: Do not replace the game disc with another PlayStation game.

Bonus audio Play track two and higher of the game disc in an audio CD player to hear music by Rob Zombie, Cirrus, Cypress Hill, Skold, Goulspoon, One Minute Silence, and various voiceovers.